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Herbicides

Disul

Also known as 2-(2,4-Dichlorophenoxy)ethyl hydrogen sulfate, 2,4-DES, 2-(2,4-Dichlorophenoxy)ethanol hydrogen sulfate

CAS 149-26-8Formula C8H8Cl2O5SMolar mass 287.12 g/mol
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant
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Disul chemical structure, C8H8Cl2O5S, CAS 149-26-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
149-26-8
Formula
C8H8Cl2O5S
Molar mass
287.12 g/mol
HS code
292090
Category
Herbicides

What is Disul?

Plain description, key identifiers and synonyms

Disul is an aromatic ether. It has a role as a phenoxy herbicide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(2,4-dichlorophenoxy)ethyl hydrogen sulfate
CAS number
149-26-8 CAS number cross-checked
Molecular formula
C8H8Cl2O5S
UNII
FYG80OXZ0L
InChIKey
HJEINPVZRDJRBY-UHFFFAOYSA-N
InChI
InChI=1S/C8H8Cl2O5S/c9-6-1-2-8(7(10)5-6)14-3-4-15-16(11,12)13/h1-2,5H,3-4H2,(H,11,12,13)
SMILES (canonical and isomeric)
C1=CC(=C(C=C1Cl)Cl)OCCOS(=O)(=O)O

Synonyms

  • 2-(2,4-Dichlorophenoxy)ethyl hydrogen sulfate
  • 2,4-DES
  • 2-(2,4-Dichlorophenoxy)ethanol hydrogen sulfate
  • Ethanol, 2-(2,4-dichlorophenoxy)-, hydrogen sulfate
  • 2-(2,4-dichlorophenoxy)ethyl sulfate
  • Sesone (tm)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
287.12 g/molcalc.
Exact mass
285.947 Dacalc.
LogP (octanol/water)
2.19calc.
Topological polar surface area
72.83 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
5calc.
Heavy atoms
16calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
Precautionary statements (13)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Disul suppliers

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Disul price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • herbicide
  • pesticide
  • phenoxy herbicide

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 016-025-00-5

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Disul is traded under.

HS 2920.90Indicative HS code

Esters, other than thiophosphoric esters (phosphorothioates) and phosphite esters and their salts…

World exports in 2024
$1.05B
+8.0% vs 2023, imports $1.23B
2019 to 2024
Top exporters
  1. China33.4%
  2. Germany18.8%
  3. United States12.4%
Top importers
  1. United States19.2%
  2. Singapore8.9%
  3. South Korea6.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Disul is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Disul, based on the data on this page

What is Disul?

Disul is an aromatic ether. It has a role as a phenoxy herbicide.

What is the CAS number of Disul?

The CAS registry number of Disul is 149-26-8.

What is the molecular formula and weight of Disul?

The molecular formula of Disul is C8H8Cl2O5S and its molar mass is 287.12 g/mol.

What is Disul used for?

Known uses and roles of Disul include herbicides in agriculture and crop protection, herbicide, pesticide and phenoxy herbicide.

Is Disul hazardous?

Disul carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Disul?

Disul is usually classified under HS code 292090 (Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Disul?

Post a free request on CompoundList and suppliers of Disul will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Disul?

Suppliers quote Disul on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Disul

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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